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The relationship between bottom bracket spindle and bearing is the core of DUB technology
This practical feature helps keep your bike in peak condition with minimal effort
allowing riders to shift gears smoothly with minimal effort
Designed for Convenience and Security: Crafted with precision
Center Lock Mounting System: Shimano's Center Lock mounting system simplifies rotor installation and removal with its spline mount and lock ring design
Shimano TL-FC21 Peg Spanner Arm Sleeves The relationship between bottom bracketThe Shimano TL FC21 Peg Spanner is a versatile tool designed for the installation and removal of chainring bolts, offering functionality and durability for home mechanics and professionals alike. Its multipurpose design and enhanced handle make it an essential addition to any cyclist's toolkit. Dual Functionality for Chainring Maintenance: This tool serves as both a wrench for mounting and dismounting chainrings and a counter hold for chainring bolts.